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ARP 1/4-20 x 1.000 Hex Stainless Steel Bolts, Set of 5, Polished Finish, Grade 300 - 621-1000

Upgrade Your Fasteners with ARP 621-1000 Bolts

If you're looking to enhance the reliability and performance of your vehicle's assembly, the ARP 621-1000 Bolts are a top-tier choice. Designed for serious automotive applications, these fasteners are built to withstand the rigors of high-performance driving while ensuring a secure fit on your specific year, make, and model.

Fitment

The ARP 621-1000 bolts are compatible with various applications, making them an excellent choice for anyone looking to upgrade their vehicle's hardware. Whether you're a Ford Mustang owner or a Chevy truck enthusiast, these bolts will provide the strength and durability you need for your builds.

Technical Specs

  • Fastener Size: 1/4-20 in. RH
  • Underhead Length: 1.000 in.
  • Fastener Head Style: Hex head
  • Fastener Material: Stainless steel
  • Fastener Finish: Polished
  • Fastener Grade: ARP Stainless 300
  • Fastener Yield Strength: 180,000 psi
  • Wrench Diameter: 5/16 in.
  • Washers Included: Yes
  • Quantity: Sold as a set of 5

Why Choose ARP 621-1000 Bolts?

These bolts are crafted from high-quality ARP Stainless 300 material, ensuring maximum strength and corrosion resistance. With a yield strength of 180,000 psi, they provide peace of mind whether you're hitting the track or cruising on the highway. The polished finish not only looks great but also helps to prevent rust and wear over time.

Customer Feedback

“I installed the ARP 621-1000 bolts on my 2021 Ford F-150 and couldn't be happier. The fit was perfect, and they added the extra strength I needed for my modifications. No more worrying about hardware failure!” - F-150 Owner

“These bolts were a game changer for my 2019 Chevy Silverado. The polished stainless finish matches perfectly with my build, and the strength gives me confidence when towing heavy loads.” - Silverado Owner

Upgrade your vehicle’s performance and reliability with the ARP 621-1000 Bolts. Engineered for strength and designed for fitment, these fasteners are an essential addition to your automotive toolkit.

Other Part Numbers:
ARP Bolts #arp621-1000

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

ARP Bolts Logo

The Story Behind ARP Bolts

ARP (Automotive Racing Products) was founded by Gary Holzapfel in 1968 when he noticed his drag-racing friends succumbing to bolt-induced engine failure as a result of poor-quality fasteners. He drew upon his expertise in the aerospace industry to develop a solution, which turned into a successful business nonetheless. 

Since its inception, ARP has been engineering and perfecting a wide range of bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels, and transmissions. Today, ARP remains the undisputed world leader in automotive fasteners. Racing aficionados everywhere know and recognize the ARP brand and can vouch for its quality.

What Makes ARP Bolts So Special?

Located in Ventura, California, all ARP processes from raw wire to finished fasteners are conducted in-house, right here in the USA. The company continually improves its processes with strict quality control guidelines and is dedicated to producing products that are second to none. Simply put, ARP Bolts are better than the competition because of their quality materials and advanced processes. 

ARP prides itself on using only top-quality materials that are above the usual “aerospace-grade” quality that other manufacturers settle for. For example, while 8740 Chromoly steel has four different grades, ARP only uses the top two, SDF and CHQ. These grades cost twice as much as the lower commercial and aircraft grades, but deliver “zero defect” quality that you can trust each and every time.

ARP Bolts are built to withstand serious racing, possess greater tensile strengths, and can survive higher stress levels than most aircraft fasteners. ARP is dedicated to creating fasteners that boast ultimate strength and durability to ensure they last race after race. Its product lineup ranges from quality high-performance OEM parts to exotic specialty hardware for IndyCar, NASCAR, NHRA drag racing, Formula 1, and even marine applications.

Equip Your Ride with ARP Bolts at Vivid Racing

If you are looking to change the fasteners on your car, you’ve come to the right place. No other brand beats out ARP Bolts in terms of strength, quality, and race-proven success. Vivid Racing is, therefore, proud to carry an extensive lineup of products from American Racing Products like bolts, fluids, sealants, hand tools, stud kits, piston sleeves, wheel bolts, and more! If you have any questions regarding the parts above, please call our specialized sales team at (480) 966-3040.

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